Finding the Fourth Proportional to 128,894,101.09, 177,877,615.71 and 70,160,553.97
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Solution
The fourth proportional to 128,894,101.09, 177,877,615.71 and 70,160,553.97 is: 96,823,609.08
Step by Step Solution
- Step 1: Write the proportion equation
128,894,101.09 : 177,877,615.71 = 70,160,553.97 : x - Step 2: Convert to fraction form
128,894,101.09/177,877,615.71 = 70,160,553.97/x - Step 3: Cross multiply
128,894,101.09x = 177,877,615.71 × 70,160,553.97 - Step 4: Simplify right side
128,894,101.09x = 12,479,992,056,894,784 - Step 5: Solve for x
x = 12,479,992,056,894,784/128,894,101.09 - Step 6: Final answer
x = 96,823,609.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.